Home / 6,426.62-8,864.34-4,837.40

Finding the Fourth Proportional to 6,426.62, 8,864.34 and 4,837.40

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Solution

The fourth proportional to 6,426.62, 8,864.34 and 4,837.40 is: 6,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.62 : 8,864.34 = 4,837.40 : x
  2. Step 2: Convert to fraction form
    6,426.62/8,864.34 = 4,837.40/x
  3. Step 3: Cross multiply
    6,426.62x = 8,864.34 × 4,837.40
  4. Step 4: Simplify right side
    6,426.62x = 42,880,358.32
  5. Step 5: Solve for x
    x = 42,880,358.32/6,426.62
  6. Step 6: Final answer
    x = 6,672.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.